如何配置阿里云yum源

1.下载安装wget
yum install -y wget

2.备份默认的yum
mv /etc/yum.repos.d /etc/yum.repos.d.backup

3.设置新的yum目录
mkdir -p /etc/yum.repos.d

4.下载阿里yum配置到该目录中，选择对应版本
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

5.更新epel源为阿里云epel源
mv /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel.repo.backup
mv /etc/yum.repos.d/epel-testing.repo /etc/yum.repos.d/epel-testing.repo.backup
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
wget -O /etc/yum.repos.d/epel-testing.repo http://mirrors.aliyun.com/repo/epel-testing.repo

6.重建缓存
yum clean all
yum makecache

7.看一下yum仓库有多少包
yum repolist
yum update
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原文链接：https://blog.csdn.net/u010670796/article/details/128046377